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Historically setting circles have rivaled the telescopes optics as far as difficulty in construction. Making a set of setting circles required a lot of precision crafting on a dividing engine. Setting circles usually had a large diameter and when combined with a vernier scale could point a telescope to nearly an arc minute of accuracy.
Woodland Plantation, in West Pointe à la Hache, Louisiana, is a historic building and a former plantation house. It is located at 21997 Louisiana Highway 23 in West Pointe à la Hache, in Plaquemines Parish, Louisiana. This sugar plantation was once worked by enslaved people.
Equatorial (red) and horizontal (blue) celestial coordinates. A star 's spherical coordinates are often expressed as a pair, right ascension and declination , without a distance coordinate. The direction of sufficiently distant objects is the same for all observers, and it is convenient to specify this direction with the same coordinates for all.
Louisiana's execution of Christopher Sepulvado on March 17 would mark the end of a 15-year break in executions in the state, which plans to use nitrogen gas. Arizona's execution of Aaron Gunches ...
The monumental earthworks of Poverty Point consist of a series of earthen ridges, earthen mounds, and a central plaza. The earthworks core of the site measures about 345 acres (140 ha), although archaeological investigations have shown that the total occupation area extended for more than three miles (5 km) along the Bayou Macon. [7]
Boundary is a circle. All parallels and meridians are circular arcs. Usually clipped near 80°N/S. Standard world projection of the NGS in 1922–1988. c. 150: Equidistant conic = simple conic: Conic Equidistant Based on Ptolemy's 1st Projection Distances along meridians are conserved, as is distance along one or two standard parallels. [3] 1772
In a legislative session devoted mostly to tax policy, Louisiana lawmakers are taking steps to empower themselves to set up new state courts outside of the traditional judicial system.
The term transit theodolite, or transit for short, refers to a type of theodolite where the telescope is short enough to rotate in a full circle on its horizontal axis as well as around its vertical axis. It features a vertical circle which is graduated through the full 360 degrees and a telescope that could "flip over" ("transit the scope").